32. Photosynthesis
light
energy
6CO2 + 6H2O → CH1206 +602
Respiration
CH 206 +602 → energy + 6CO2 + 6H2O
Which one of these will decrease when the amount of light is reduced?

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

if you know your abc's you should be able to get your answer or just use google

answer: b

coz red blood cells marrow and circulates the body for 120 days.